Updated: Feb 05, 2026
Location and Projects
Address
324 S DIAMOND BAR BLVD 167, Diamond Bar, CA, 91765
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Mr A/C HVAC/Mechanical Contractor
Mr A/C, 324 S Diamond Bar Blvd, Diamond Bar, CA (Owned by: Daniel Eugene Bastas) holds a Warm Air Heating, Ventilating And Air Conditioning license according to the California license board.
Their BuildZoom score of 101 ranks in the top 12% of 336,931 California licensed contractors.
Their license was verified as active when we last checked. If you are thinking of hiring Mr A/C, we recommend double-checking their license status with the license board and using our bidding system to get competitive quotes.
Mr A/C Contact Information
Phone Number: (714) 718-4391
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Address: 324 S DIAMOND BAR BLVD 167, Diamond Bar, CA 91765
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This is a sample of this contractor's permits. Click here to access their complete permit history.
***supplemental to mec25-00433*** change out fau to condenser in the side yard and air handler in basement
Valuation:
N/A
Permit #:
MEC25-00451
Status:
complete
Fee:
$126
Permit Type:
N/A
Building Type:
N/A
***supplemental to mec25-00433*** change out fau to condenser in the side yard and air handler in basement
Valuation:
N/A
Permit #:
ELE25-00848
Status:
complete
Fee:
$93
Permit Type:
N/A
Building Type:
N/A
3 ton condenser change out 7 registers with r8 ductwork 30 amp disconnect
Valuation:
N/A
Permit #:
B25-000-106
Status:
issued
Fee:
$281
Permit Type:
Dwellings
Building Type:
N/A
R3/u1 air conditioning unit in attic condenser in back yard
Valuation:
N/A
Permit #:
MEC23-00544
Status:
final
Fee:
$234
Permit Type:
N/A
Building Type:
N/A
R3/u1 air conditioning unit in attic condenser in back yard
Valuation:
N/A
Permit #:
ELE23-01291
Status:
final
Fee:
$124
Permit Type:
N/A
Building Type:
N/A
Install new air conditioning condensor in rear yard
Valuation:
N/A
Permit #:
MEC24-00412
Status:
complete
Fee:
$135
Permit Type:
N/A
Building Type:
N/A
Install new air conditioning condensor in rear yard
Valuation:
N/A
Permit #:
ELE24-00652
Status:
complete
Fee:
$90
Permit Type:
N/A
Building Type:
N/A
Replace heating system
Valuation:
N/A
Permit #:
MEC23-00385
Status:
complete
Fee:
$126
Permit Type:
N/A
Building Type:
N/A
New hvac system - relocating heater to attic
Valuation:
N/A
Permit #:
MEC24-00691
Status:
complete
Fee:
$218
Permit Type:
N/A
Building Type:
N/A
New hvac system - relocating heater to attic
Valuation:
N/A
Permit #:
ELE24-01084
Status:
complete
Fee:
$93
Permit Type:
N/A
Building Type:
N/A
Fau change out located in garage *** 223-a020083892a ***
Valuation:
N/A
Permit #:
M2023-005310
Status:
final
Fee:
$133
Permit Type:
N/A
Building Type:
N/A
Change out of hvac
Valuation:
N/A
Permit #:
MEC24-00690
Status:
final
Fee:
$176
Permit Type:
N/A
Building Type:
N/A
Change out of hvac
Valuation:
N/A
Permit #:
ELE24-01082
Status:
complete
Fee:
$98
Permit Type:
N/A
Building Type:
N/A
Change-out hvac 16-seer. same location
Valuation:
N/A
Permit #:
ME170465
Status:
complete
Fee:
$438
Permit Type:
N/A
Building Type:
N/A
R/r air conditioning condenser unit install new heat pump located in attic & (14) ducts **** calcerts 220-a020205456a *** afie entered by: kongs
Valuation:
N/A
Permit #:
M2020-006341
Status:
final
Fee:
$224
Permit Type:
N/A
Building Type:
N/A
>>>supplemental<<< mec23-000385 - replace heating system
Valuation:
N/A
Permit #:
MEC23-00454
Status:
complete
Fee:
$197
Permit Type:
N/A
Building Type:
N/A
Replace heating system and air conditioning
Valuation:
N/A
Permit #:
ELE23-01029
Status:
complete
Fee:
$94
Permit Type:
N/A
Building Type:
N/A
Change-out hvac 16-seer. same location
Valuation:
$0
Permit #:
ME170465
Status:
Issued
Fee:
$439
Permit Type:
N/A
Building Type:
N/A
New air conditioning condenser disconnect **** afie **** entered by: kongs
Valuation:
N/A
Permit #:
E2020-006342
Status:
final
Fee:
$83
Permit Type:
N/A
Building Type:
N/A
Hvac for pet rescue
Valuation:
N/A
Permit #:
B00-021-776
Status:
final
Fee:
$216
Permit Type:
N/A
Building Type:
N/A
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Verified License
BuildZoom confirmed this contractor's license
Mr A/C License info
Verified License
| License # | 864636 |
| Status | Active |
| State | California |
| Type | Warm Air Heating, Ventilating And Air Conditioning |
| Business Type | Sole Ownership |
- BuildZoom verified this license was active as of February 2026.
Verify this license's status for Mr A/C at the California Contractors State License Board.
This is a sample of licensing data; click here to access a complete history.
101
BuildZoom Score
Bonded
| Bonded Agent | Western Surety Company |
| Bond Value | $15,000 |
Insured
| Workers Comp Provider | Clear Spring Property & Casualty Company |
12
Permits
- Building permit records show that Mr A/C has worked on 12 permitted projects.
Mr A/C Employees
DB
Daniel Eugene Bastas
Owner